Bell Ringer Quiz 4 (Unit1) – TEKS 7.6E: Combined Factors | Quizalize

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Bell Ringer Quiz 4 (Unit1) – TEKS 7.6E: Combined Factors | Quizalize

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Bell Ringer Quiz 4 (Unit1) – TEKS 7.6E: Combined Factors

Quiz by Grade 7 Science - Texas Education Agency

Texas Essential Knowledge and Skills (TEKS)

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Measures 1 skill from

Texas Essential Knowledge and Skills (TEKS)

Investigate and model how temperature, surface area, and agitation affect the rate of dissolution of solid solutes in aqueous solutions.

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Q 1/3
Score 0
Which combination will dissolve sugar the fastest?
30
Cold water, whole sugar cube, no stirring
Hot water, powdered sugar, stirring
Hot water, whole sugar cube, no stirring
Cold water, powdered sugar, no stirring
Q 2/3
Score 0
A student dissolves salt in water. Which factor will NOT affect the dissolving rate?
30
Temperature of the water
Size of salt particles
Stirring the solution
Type of container used

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3 questions

Q.

Which combination will dissolve sugar the fastest?

1

30 sec

SCI.7.6E

Q.

A student dissolves salt in water. Which factor will NOT affect the dissolving rate?

2

30 sec

SCI.7.6E

Q.

Which of the following explains why powdered lemonade dissolves faster in warm stirred water than in cold still water?

3

30 sec

SCI.7.6E

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